... -proof Certificate issued by CQST Usage:The drill is a hand-held pneumatic drill. There is a deafener at the top ... of the drill to reduce noise. It can drill the coal and rock and so ... 2006 standard & MA certificateWe can offer all kinds of air leg.There is an acoustical damper on the outlet ... increasing the efficiency. ZQHS-30/1.7 pneumatic hand airdrill for undergounder workers

... W 1.1kg This is an excellent 3/8" airdrill! This airdrill is crafted of heavy duty aluminium, providing that perfect ... 1800RPM, and operational air pressure of 90PSI, this airdrill has enough power to drill through the toughest materials! This drill is perfect not ... home handyman, or a professional tradesperson, a good drill is indispensable. This airdrill is a must-have!Stock is strictly limited - ...

... be used during the initial period of opencast working, other drill carriage unable to reach, unable to carry on the normal ... work.Drive power of drill: Hydraulic motorMax. pushing power (N) : 4500 Hollow AirDrill

... and frozen ground in civil engineering, underground construction and civil air defense works and so on. It can be applied to ... .2HZ; Impact energy:44J/min; Weight of Breaker:9kg; Free-air consumption: 1.5m³/dcm·kw; Rated pressure:0.5Mpa; Min ...